General code cleanup, improved naming, etc.

Allow setting PIDTEMP and PIDTEMPBED together or apart

Show steps done in the babystep display

Git helper shell scripts for MarlinFirmware

Aesthetic, functional improvements for Graphical Display

Output error message for M303 if PIDTEMP is disabled

Update and change Japanese translation

Update and change Japanese translation

・Follow-up the PR #3411(Update Readme.fonts about Kana), Remove "who really..." strings. I had forgotten it.
・Add readable translated strings in comment
・Add Japanese translation.
  MSG_LCD_ENDSTOPS "エンドストップ"
  (utf8 version only. Because non-utf8 version ("ｴﾝﾄﾞｽﾄｯﾌﾟ") over 8 characters)
・Change translation.
  MSG_ACC "カソクド mm/s2"
  MSG_ACC "\xb6\xbf\xb8\xc4\xde mm/s2" ("ｶｿｸﾄﾞ mm/s2")

Fix bug in pullups handling for Z_MIN_PROBE

Endstop settings modified (witbox). Issue #3547

Update Kossel XL config for 1.1.x

Better splash screen consolidation

Add a final lift, if configured, in Manual Bed Leveling

_ENDSTOP_HIT redeclared

Fixed Positional_Shift array overrun

Signed-off-by: Jeff K

Set version for RCBugFix

Show all endstops on LCD in checkHitEndstops

Fix borked set_bed_level_equation_lsq

Improve code in Sd2Card::readBlock